body, html {
    height: 100%;
    overflow: hidden;
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f0f0f0;
}

.bg-image {
    background-image: url("images/img.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    height: 100%;
    filter: brightness(0.7);
}

.main {
    padding-top: 15em;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
}

.grey-box {
    background-color: rgba(255, 255, 255, 0.8);
    margin: 0 20px;
    border-radius: 15px;
    border: none;
    color: #333;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: 50px;
    max-width: 600px;
    width: 100%;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

input {
    border-radius: 10px;
    border: 1px solid #ccc;
    padding: 10px;
    margin: 10px 0;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 1em;
}

button {
    margin-top: 10px;
    border-radius: 10px;
    border: none;
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 1em;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

button:hover {
    background-color: #0056b3;
}